| Duke of Porto | |
|---|---|
 | |
| Creation date | 1833 |
| Created by | Pedro IV |
| Peerage | Peerage of Portugal |
| First holder | Maria, Duchess of Porto |
| Remainder to | Second male child of the head of the Royal House of Portugal |
Duke of Porto (Portuguese Duque do Porto) is a title of Portuguese nobility, held by members of the royal family. It is named for the city of Porto, in the north of Portugal.